According to a press release, Switzerland, Portugal, Bulgaria, Slovenia and the Czech Republic signed treaty agreement for the avoidance of double taxation on 1 November 2013 regarding taxes on income and on capital. The four agreements are starting from 1 January 2014. They all contain an administrative assistance clause in accordance with the OECD standard and will contribute to the further positive development of bilateral economic relations between Switzerland and the countries concerned.
The protocol changing the double taxation convention between Switzerland and Portugal came into force on 21 October 2013 and will remain applicable for tax periods ending before 1 January 2014.
